HT INDUSTRIAL AUTOMATION LIMITED

Replace Stamford Automatic voltage regulator AVR AS540

STAMFORD AS540 AVR DATASHEET.pdf

Replacement model for Stamford AVR AS540 in stock!

Part Number: A054P369

The Brands mentioned here are for reference purpose only, our parts can exactly replace the original ones.

Replacement Models:AS440, AS480, AS540SX440, SX460, MX341, MX321, MX450

Original Modules: AS440, AS480, AS540, COSIMAT N+, DM110, DM710, DM730, MX341, MX321, MX342, , RSK1001, RSK2001, RSK5001, RSK6001

STAMFORD AS540 AVR is used in Stamford generators. The AS540 offers an optional feature for paralleling with multiple generators.

The Stamford AS540 AVR is an analogue, 2-phase sensing, self-excited automatic voltage regulator (AVR) incorporating an interface for the optional auxiliary winding for improved motor starting performance and sustained short circuit current.

The AS540 Stamford AVR is provided as standard with the STAMFORD S0 and S1 range. 
Part number: A059F43

Digital STAMFORD AVRs: DM710, DM730, DM740, DM750

Analogue STAMFORD AVRs: SX460, AS440, AS480, AS540, MX341, MX342, MX321, MX322.

Specifications:

 Sensing Input:

   Voltage : 0 VDC to 150 VDC

   Input resistance: 100K

   Sensitivity: 50 V Peak

Power Supply:

Voltage: 12 VDC to 28 VDC

Votage: 100 VAC to 140 VAC

Voltage: 200 VAC to 280 VAC

 Output:

Single pole changeover relay rating: 5 A @ 30 VDC, 5A @ 240 VAC

Isolation: 2 Kv

Volt-free contacts

  Time Delays:

Response time: 7 s (approximately)

  Environmental:

Vibration: 30 mm/s @ 20 Hz to 100 Hz, 2 g @ 100 Hz to 2 kHz

Relative humidity: 95%

Storage temperature: -55 C to +80 C

Operating temperature: -40 C to +70 C